forked from openkylin/gimp
108 lines
2.2 KiB
C
108 lines
2.2 KiB
C
|
/* LIBGIMP - The GIMP Library
|
||
|
|
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
|
||
|
|
*
|
||
|
|
* This library is free software: you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 3 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This library is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
* Library General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with this library. If not, see
|
||
|
|
* <https://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "config.h"
|
||
|
|
|
||
|
|
#include <glib-object.h>
|
||
|
|
|
||
|
|
#include "gimpcolortypes.h"
|
||
|
|
|
||
|
|
#include "gimphsv.h"
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* SECTION: gimphsv
|
||
|
|
* @title: GimpHSV
|
||
|
|
* @short_description: Definitions and Functions relating to HSV colors.
|
||
|
|
*
|
||
|
|
* Definitions and Functions relating to HSV colors.
|
||
|
|
**/
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* GIMP_TYPE_HSV
|
||
|
|
*/
|
||
|
|
|
||
|
|
static GimpHSV * gimp_hsv_copy (const GimpHSV *hsv);
|
||
|
|
|
||
|
|
|
||
|
|
GType
|
||
|
|
gimp_hsv_get_type (void)
|
||
|
|
{
|
||
|
|
static GType hsv_type = 0;
|
||
|
|
|
||
|
|
if (!hsv_type)
|
||
|
|
hsv_type = g_boxed_type_register_static ("GimpHSV",
|
||
|
|
(GBoxedCopyFunc) gimp_hsv_copy,
|
||
|
|
(GBoxedFreeFunc) g_free);
|
||
|
|
|
||
|
|
return hsv_type;
|
||
|
|
}
|
||
|
|
|
||
|
|
static GimpHSV *
|
||
|
|
gimp_hsv_copy (const GimpHSV *hsv)
|
||
|
|
{
|
||
|
|
return g_memdup (hsv, sizeof (GimpHSV));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* HSV functions */
|
||
|
|
|
||
|
|
void
|
||
|
|
gimp_hsv_set (GimpHSV *hsv,
|
||
|
|
gdouble h,
|
||
|
|
gdouble s,
|
||
|
|
gdouble v)
|
||
|
|
{
|
||
|
|
g_return_if_fail (hsv != NULL);
|
||
|
|
|
||
|
|
hsv->h = h;
|
||
|
|
hsv->s = s;
|
||
|
|
hsv->v = v;
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
gimp_hsv_clamp (GimpHSV *hsv)
|
||
|
|
{
|
||
|
|
g_return_if_fail (hsv != NULL);
|
||
|
|
|
||
|
|
hsv->h -= (gint) hsv->h;
|
||
|
|
|
||
|
|
if (hsv->h < 0)
|
||
|
|
hsv->h += 1.0;
|
||
|
|
|
||
|
|
hsv->s = CLAMP (hsv->s, 0.0, 1.0);
|
||
|
|
hsv->v = CLAMP (hsv->v, 0.0, 1.0);
|
||
|
|
hsv->a = CLAMP (hsv->a, 0.0, 1.0);
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
gimp_hsva_set (GimpHSV *hsva,
|
||
|
|
gdouble h,
|
||
|
|
gdouble s,
|
||
|
|
gdouble v,
|
||
|
|
gdouble a)
|
||
|
|
{
|
||
|
|
g_return_if_fail (hsva != NULL);
|
||
|
|
|
||
|
|
hsva->h = h;
|
||
|
|
hsva->s = s;
|
||
|
|
hsva->v = v;
|
||
|
|
hsva->a = a;
|
||
|
|
}
|